<template>
  <div>
    <!-- 这是Search模块 -->
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread：面包屑-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 商品分类的面包屑 -->
            <li class="with-x"
                v-if="searchParams.categoryName">{{searchParams.categoryName}}<i @click="removeName">×</i></li>
            <!-- 关键字的面包屑 -->
            <li class="with-x"
                v-if="searchParams.keyword">{{searchParams.keyword}}<i @click="removeKeyword">×</i></li>
            <!-- 品牌信息的面包屑 -->
            <li class="with-x"
                v-if="searchParams.trademark">{{searchParams.trademark.split(':')[1]}}<i @click="removeTrademark">×</i></li>
            <!-- 商品属性的面包屑 -->
            <li class="with-x"
                v-for="(attrValue, index) in searchParams.props"
                :key="index">{{attrValue.split(":")[1]}}<i @click="removeProps(index)">×</i></li>
          </ul>
        </div>
        <!--selector-->
        <searchSelector @trademarkInfo="trademarkInfo"
                        @attrInfo="attrInfo" />
        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{active: isOne}"
                    @click="changeOrder('1')">
                  <a>综合
                    <i v-show="isOne"
                       class="iconfont"
                       :class="{'icon-long-arrow-down':isDesc, 'icon-long-arrow-up': isAsc}"></i>
                  </a>
                </li>
                <li :class="{active: isTwo}"
                    @click="changeOrder('2')">
                  <a>价格
                    <i v-show="isTwo"
                       class="iconfont"
                       :class="{'icon-long-arrow-down':isDesc, 'icon-long-arrow-up': isAsc}"></i>
                  </a>
                </li>
              </ul>
            </div>
          </div>
          <!-- 销售商品列表 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5"
                  v-for="(goods, index) in goodsList"
                  :key="goods.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <!-- 在路由跳转的时候记得id（params）参数 -->
                    <router-link :to="`/detail/${goods.id}`"
                                 href="item.html"><img v-lazy="goods.defaultImg" /></router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i> {{goods.price}}.00</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a target="_blank"
                       href="item.html"
                       :title="goods.title">{{goods.title}}</a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a href="success-cart.html"
                       target="_blank"
                       class="sui-btn btn-bordered btn-danger">加入购物车</a>
                    <a href="javascript:void(0);"
                       class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页 -->
          <Pagination :pageNo="searchParams.pageNo"
                      :pageSize="searchParams.pageSize"
                      :total="total"
                      :continues="5"
                      @getPageNo="getPageNo" />
        </div>
        <!--hotsale-->
        <div class="clearfix hot-sale">
          <h4 class="title">热卖商品</h4>
          <div class="hot-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-4">
                <div class="list-wrap">
                  <div class="p-img">
                    <img src="./images/like_01.png" />
                  </div>
                  <div class="attr">
                    <em>Apple苹果iPhone 6s (A1699)</em>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>4088.00</i>
                    </strong>
                  </div>
                  <div class="commit">
                    <i class="command">已有700人评价</i>
                  </div>
                </div>
              </li>
              <li class="yui3-u-1-4">
                <div class="list-wrap">
                  <div class="p-img">
                    <img src="./images/like_03.png" />
                  </div>
                  <div class="attr">
                    <em>金属A面，360°翻转，APP下单省300！</em>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>4088.00</i>
                    </strong>
                  </div>
                  <div class="commit">
                    <i class="command">已有700人评价</i>
                  </div>
                </div>
              </li>
              <li class="yui3-u-1-4">
                <div class="list-wrap">
                  <div class="p-img">
                    <img src="./images/like_04.png" />
                  </div>
                  <div class="attr">
                    <em>256SSD商务大咖，完爆职场，APP下单立减200</em>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>4068.00</i>
                    </strong>
                  </div>
                  <div class="commit">
                    <i class="command">已有20人评价</i>
                  </div>
                </div>
              </li>
              <li class="yui3-u-1-4">
                <div class="list-wrap">
                  <div class="p-img">
                    <img src="./images/like_02.png" />
                  </div>
                  <div class="attr">
                    <em>Apple苹果iPhone 6s (A1699)</em>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>4088.00</i>
                    </strong>
                  </div>
                  <div class="commit">
                    <i class="command">已有700人评价</i>
                  </div>
                </div>
              </li>
            </ul>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>
  
<script>
// 引入组件
import searchSelector from './searchSelector'
// 引入辅助函数mapGetters --->拿到仓库当中的数据
import { mapGetters } from 'vuex'
import { mapState } from 'vuex'
export default {
  name: 'Search',
  components: {
    searchSelector
  },
  data() {
    return {
      // 带给服务器的参数
      searchParams: {
        "category1Id": "",
        "category2Id": "",
        "category3Id": "",
        "categoryName": "",
        "keyword": "",
        "order": "1:desc",
        "pageNo": 1,
        "pageSize": 10,
        "props": [],
        "trademark": ""
      }
    }
  },
  beforeMount() {
    // 挂载前执行一次，可以获得searchParams对象  先合并对象 --->让searchParms对象带上相应的参数
    Object.assign(this.searchParams, this.$route.query, this.$route.params)
  },
  mounted() {
    // 组件挂载完毕执行一次【仅仅只执行一次】
    // 调用函数发送请求
    this.getData()
  },
  methods: {
    // 向服务器发送请求获取search数据（根据参数不同返回不同的数据进行展示）
    getData() {
      // 派发一个actions并带上参数
      this.$store.dispatch('getsearchInfo', this.searchParams)
    },
    // 点击触发移除商品分类事件
    removeName() {
      // 清空searchParams的数据
      // 带个服务器参数说明可有可无的：如果属性值为空的字符串还是会把相应的字段带给服务器
      // 单数把相应的字段变为undefined，当前这个字段就不会带给服务器
      this.searchParams.category1Id = undefined
      this.searchParams.category2Id = undefined
      this.searchParams.category3Id = undefined
      this.searchParams.categoryName = undefined
      // 清空后发送一次请求
      this.getData()
      // 地址栏也需要改变：进行路由跳转
      if (this.$route.params) {
        // params存在，要一起带过去
        this.$router.push({ name: 'search', params: this.$route.params })
      }
    },
    // 触发移除关键字事件
    removeKeyword() {
      // 清空data中的 searchParams.keyword数据
      this.searchParams.keyword = undefined
      // 清空输入框：通知兄弟组件Header清楚关键字
      this.$bus.$emit('clear')
      // 获取数据
      this.getData()
      // 地址栏发送改变
      if (this.$route.query) {
        this.$router.push({ name: 'search', query: this.$route.query })
      }
    },
    // 自定义回调事件
    trademarkInfo(trademark) {
      // 整理参数对象
      this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}`
      // 获取数据
      this.getData()
    },
    // 触发移除品牌信息事件
    removeTrademark() {
      this.searchParams.trademark = undefined
      this.getData()
    },
    // 自定义回调事件
    attrInfo(attr, attrValue) {
      let props = `${attr.attrId}:${attrValue}:${attr.attrName}`
      // 数组去重：参数对象中的props的值没有，则再push 
      if (this.searchParams.props.indexOf(props) == -1) this.searchParams.props.push(props)
      // 获取数据
      this.getData()
    },
    // 移除商品属性值
    removeProps(index) {
      // 删除索引值，删除一个 ---整理数据后
      this.searchParams.props.splice(index, 1)
      // 再次获取数据
      this.getData()
    },
    // 排序方式的改变
    changeOrder(flag) {
      let originOrder = this.searchParams.order
      // 定义一个新的order属性值
      let newOrder = ""
      // 获取初始的order属性值
      let originFlag = originOrder.split(':')[0]
      let originSort = originOrder.split(':')[1]

      // 点击的是综合
      if (flag == originFlag) {
        newOrder = `${originFlag}:${originSort == 'desc' ? 'asc' : 'desc'}`
      }
      else {
        newOrder = `${flag}:${'desc'}`
      }
      this.searchParams.order = newOrder
      this.getData()
    },
    // 自定义回调事件（分页）
    getPageNo(pageNo) {
      this.searchParams.pageNo = pageNo
      this.getData()
    }
  },
  computed: {
    // 只要getters中有数据列表 --->可以直接写列表名
    ...mapGetters(['goodsList']),
    ...mapState({
      total: state => state.search.searchList.total
    }),
    isOne() {
      return this.searchParams.order.indexOf("1") != -1
    },
    isTwo() {
      return this.searchParams.order.indexOf("2") != -1
    },
    isAsc() {
      return this.searchParams.order.indexOf("asc") != -1
    },
    isDesc() {
      return this.searchParams.order.indexOf('desc') != -1
    }
  },
  // 数据监听：监听组件实例身上的属性的属性值的变化
  watch: {
    // 监听路由信息
    $route(newValue, oldValue) {
      // 将searchParams的1、2、3级id清空  ---这里清空的数据是 data中的数据
      this.searchParams.category1Id = undefined
      this.searchParams.category2Id = undefined
      this.searchParams.category3Id = undefined

      // 路由信息发生变化，再次整理数据
      Object.assign(this.searchParams, this.$route.query, this.$route.params)

      //再次发起ajax请求
      this.getData()
    }
  }
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }
    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }
    }
    .hot-sale {
      margin-bottom: 5px;
      border: 1px solid #ddd;
      .title {
        font-weight: 700;
        font-size: 14px;
        line-height: 21px;
        border-bottom: 1px solid #ddd;
        background: #f1f1f1;
        color: #333;
        margin: 0;
        padding: 5px 0 5px 15px;
      }
      .hot-list {
        padding: 15px;
        ul {
          display: flex;
          li {
            width: 25%;
            height: 100%;
            .list-wrap {
              .p-img,
              .price,
              .attr,
              .commit {
                padding-left: 15px;
              }
              .p-img {
                img {
                  max-width: 100%;
                  vertical-align: middle;
                  border: 0;
                }
              }
              .attr {
                width: 85%;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
              }
              .price {
                font-size: 18px;
                color: #c81623;
                strong {
                  font-weight: 700;
                  i {
                    margin-left: -5px;
                  }
                }
              }
              .commit {
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;
              }
            }
          }
        }
      }
    }
  }
}
</style>
